World Resorts USA Stonington Weather

Stonington 7 Days Forecast

18.03
wed
Day
34°F
S 7 mph
Precip.
0%
Night
30°F
N 5 mph
Precip.
0%
19.03
thu
Day
37°F
N 7 mph
Precip.
0%
Night
37°F
NE 7 mph
Precip.
0%
20.03
fri
Day
41°F
NE 7 mph
Precip.
0%
Night
41°F
NE 14 mph
Precip.
100%
21.03
sat
Day
45°F
SW 6 mph
Precip.
0%
Night
43°F
NW 2 mph
Precip.
61%
22.03
sun
Day
46°F
NE 11 mph
Precip.
0%
Night
43°F
NE 12 mph
Precip.
66%
23.03
mon
Day
39°F
SW 15 mph
Precip.
100%
Night
34°F
NW 11 mph
Precip.
59%
24.03
tue
Day
36°F
SW 11 mph
Precip.
100%
Night
32°F
E 5 mph
Precip.
47%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 36.6°F. The highest and lowest sea temperatures during the month were 39.2°F and 35.1°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 44.3°F. The highest and lowest sea temperatures during the month were 48.0°F and 42.3°F.

Air temperature in Stonington, °F

Precipitation total in Stonington, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Stonington

Sunniest months:
November 16 days
December 14 days
October 14 days
Warmest months:
July 79.5 °F
August 78.1 °F
June 73.3 °F
Warmest sea temp:
August 70.0 °F
July 68.7 °F
September 68.2 °F
Coldest months:
January 36.2 °F
February 37.3 °F
December 41.1 °F
Rainiest months:
October 4 days
November 3 days
July 3 days
Windiest months:
January 10.5 mph
December 10.3 mph
March 9.8 mph

Stonington on a weather map

Stonington
+34°F
N 9 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+73°F
+39°F
24 Hours Forecast
Stonington
Local time: 17:33
March 18, wednesday
1800
34°F
N
9 mph
2100
32°F
N
6 mph
March 19, thursday
0000
30°F
N
5 mph
0300
30°F
N
4 mph
0600
30°F
NW
2 mph
0900
34°F
NW
5 mph
1200
37°F
N
7 mph
1500
37°F
N
9 mph
Units of measurement: °C / °F